Fine Chemicals

High quality Purity 99% AJI92 USP24 N-Acetyl-L-Cysteine good dissolving ability for Phlegm purulent sputum airway mucus
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Description:
White crystalline powder, similar to the smell of garlic, flavour acid.Has the water absorbability, soluble in water or ethanol, not soluble in ether and chloroform.In aqueous solution of acidic (pH2 in 10 g/L H2O - 2.75), mp101-107 ℃.[1]
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Applications:
1. Could treat the?breathing difficulties?caused by phlegm obstruction, such as the?difficult cough phlegm?after surgery.
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2., Could treat the?viscous sputum,?difficult?cough phlegm?and?phlegm obstruction?airway, etc.?caused by acute and chronic bronchitis, emphysema, bronchiectasis, pulmonary tuberculosis and?pneumonia.
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3. It could?be used for the detoxification of acetaminophen poisoning.
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Inspection Report:

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Product Name | L-Cysteine HCL MONO | Lot No. | 20160507 |
CAS No. | 616-91-1 |
Specification/ Modile | 25kg/ Paper Drum | Quantity | 100 Kg |
Manufactory Date | 2016-5-7 | Inspection Date | 2016-5-9
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Item | Specification(AJI92) | Result |
Specific rotation[a]D20 | +21.3 to +27.0° | +23° |
State of solution
(Transmittance) | Clear and colorless
Not less than 98.0% | 99.0% |
Chloride(Cl) | ≤ 0.04% | ≤ 0.04% |
Ammonium(NH4) | ≤ 0.02% | ≤ 0.02% |
Sulfate (SO4) | ≤ 0.030% | ≤ 0.020% |
Iron(Fe) | ≤ 20ppm | ≤ 5ppm |
Heavy metals(Pb) | ≤ 10ppm | ≤ 5ppm |
Arsenic(as As2o3) | ≤ 1ppm | ≤ 1ppm |
other amino acids | Chromatographically
Not detectable | Conforms |
Loss on drying | Not more than 0.5% | 0.2% |
Residue on ignition(sulfated) | ≤ 0.50% | 0.04% |
Assay | 98.5% to 100% | 99.9% |
PH | 2.0 to 2.8 | 2.3 |
Melting point | 106 to 110℃ | 106 to 110℃ |
Conclusion | The products conform to the AJI92 standard. |
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Structural Formula:
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Competitive Advantage:
We produce flavor and fragrance since 2009 and are the biggst producer of N-Acetyl-L-Cysteine in China. Our the annual capacity has been reach 500 ton by now.
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L-Citrulline